# US 10,481,457 B2 · Electrochromic device and manufacturing method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,481,457 B2 - Document ID: US10481457B2 - Status: Granted - Kind: B2 - Application number: 16/307,833 - Filed: 2017-07-06 - Published: 2019-08-22 - Granted: 2019-11-19 - Earliest claimed: 2016-07-07 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Yong Chan Kim; Ki-Hwan Kim - Web page: https://patentgrep.com/patent/US10481457B2 ## CPC - C01G 23/00: Compounds of titanium {(preparation of Ti-compounds from ores or scraps C22B34/12)} - C01G 39/00: Compounds of molybdenum - C01G 41/02: Oxides; Hydroxides - G02F 1/1525: {characterised by a particular ion transporting layer, e.g. electrolyte} - G02F 1/155: Electrodes - C01P 2006/40: Electric properties - E06B 9/24: Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; {Slat blinds}(operating, guiding or securing devices or arrangements for roll-type closures E06B9/56; free-hanging flexible screens A47H23/00) - E06B 2009/2464: {featuring transparency control by applying voltage, e.g. LCD, electrochromic panels} - G02F 1/1524: Transition metal compounds - G02F 2001/1536: {additional, e.g. protective, layer inside the cell} - G02F 2001/164: {the electrolyte is made of polymers} - C01G: COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts or peroxyacids C01B15/00; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium, or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds containing nitrogen, other non-metals and metal C01B21/082}; metal amides C01B21/092; nitrites C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; compounds having molecular sieve properties but not having base-exchange properties C01B37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B39/00; cyanides C01C3/08; salts of cyanamide C01C3/16; thiocyanates C01C3/20) - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - C01P: INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS - E06B: FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES (shades or blinds for greenhouses A01G9/22; curtains A47H; lids for car boots or bonnets B62D25/10; skylights E04B7/18; sunshades, awnings E04F10/00) ## Abstract An electrochromic device, the electrochromic device including a substrate; a first electrode provided on the substrate; an ion storage layer provided on the first electrode; a polymer electrolyte layer provided on the ion storage layer; an electrochromic layer provided on the polymer electrolyte layer; and a second electrode provided on the electrochromic layer, wherein the ion storage layer includes MoaTibOxNy, and a, b, x and y are the same as or different from each other and each independently is a real number of greater than or equal to 0.5 and less than or equal to 60. Also included is a method for manufacturing an electrochromic device. ## Claims ### Claim 1 An electrochromic device, comprising: a substrate; a first electrode provided on the substrate; an ion storage layer provided on the first electrode; a polymer electrolyte layer provided on the ion storage layer; an electrochromic layer provided on the polymer electrolyte layer; and a second electrode provided on the electrochromic layer, wherein the ion storage layer includes MoaTibOxNy, wherein a, b, x and y are the same as or different from each other and each independently is a real number of greater than or equal to 0.5 and less than or equal to 60. ### Claim 2 (depends on 1) The electrochromic device of claim 1, wherein the ion storage layer has a thickness of greater than or equal to 20 nm and less than or equal to 100 nm. ### Claim 3 (depends on 1) The electrochromic device of claim 1, wherein the ion storage layer has a refractive index of 1.8 to 2.9 at a 550 nm wavelength. ### Claim 4 (depends on 1) The electrochromic device of claim 1, wherein a and b satisfy the following Equation (1) and x and y satisfy the following Equation (2): 0.5 < a b < 1.5 ( 1 ) 0.1 < x y < 5. ( 2 ) ### Claim 5 (depends on 1) The electrochromic device of claim 1, wherein the electrochromic layer includes an oxide including tungsten (W). ### Claim 6 (depends on 1) The electrochromic device of claim 1, wherein the electrochromic layer has a thickness of greater than or equal to 20 nm and less than or equal to 1 μm. ### Claim 7 (depends on 1) The electrochromic device of claim 1, further comprising a film on the second electrode. ### Claim 8 A method for manufacturing an electrochromic device comprising: forming a first electrode on a substrate; forming an ion storage layer on the first electrode; forming an electrochromic layer on a second electrode; and forming a polymer electrolyte layer between the ion storage layer and the electrochromic layer, wherein the ion storage layer includes MoaTibOxNy, wherein a, b, x and y are the same as or different from each other and each independently is a real number of greater than or equal to 0.5 and less than or equal to 60. ### Claim 9 (depends on 8) The method for manufacturing an electrochromic device of claim 8, wherein the forming of an ion storage layer and the forming of an electrochromic layer are conducted using a vacuum deposition method or direct current sputtering (DC sputtering). ### Claim 10 (depends on 8) The method for manufacturing an electrochromic device of claim 8, wherein a and b satisfy the following Equation (1) and x and y satisfy the following Equation (2): 0.5 < a b < 1.5 ( 1 ) 0.1 < x y < 5. ( 2 ) ### Claim 11 (depends on 8) The method for manufacturing an electrochromic device of claim 8, wherein the electrochromic layer includes an oxide including tungsten (W). ### Claim 12 (depends on 1) The electrochromic device of claim 1, wherein the ion storage layer has a thickness of greater than or equal to 20 nm and less than or equal to 240 nm.